And also go along with the recommendations above.By trying all channels, you will see what is most viable/cost effective so you can create a solid long-term strategy. 

I would like to form a business structure to operate within but not sure which is the most cost effective.

As you may have heard, the Polar Vortex was in full effect, and that really halted any progress that I was going to make with that property :-(.

If I am approved for option 1, it would get about $1800 cash flow per month.Option 2: with the higher rate, my cash flow is only $1400 per month...but also effecting my current loans of the 4 houses with the rate of 4.25 to 4.875. 

Which is the very definition of lying.Nor does the effectiveness of lying as a business model change the fact that lying is lying.

If I am approved for option 1, it would get about $1800 cash flow per month.Option 2: with the higher rate, my cash flow is only $1400 per month...but also effecting my current loans of the 4 houses with the rate of 4.25 to 4.875.

At one time, these were effective but why are they not as effective as in the pass.

Think CRM as your front-line sales and projects and PM software as your back room management and accounting dept There is no current product that we've found that can do both effectively.

I am looking for an experienced general contractor who has experience working with investors, able to renovate properties quickly and cost effectively. 

@Klint Ruud this is not a fruitful question because most of us would answer this based on what we would do which is related to our goals, experience, resources, investing strategy, etc.